Requirements 
 luarocks install md5 --lua-version 5.3                 (seems not in rocks, install from gentoo)
 luarocks install socket --lua-version 5.3              (seems not in rocks, install from gentoo)
 luarocks install luafilesystem --lua-version 5.3       (seems not in rocks, install from gentoo)
 luarocks install lrexlib-pcre --lua-version 5.3
  
Environemt:  
    eval "$(luarocks path --lua-version 5.3)"